Question

What is `7costheta` in terms of `sectheta`?

Answer 1

`=7/costheta`

Explanation:

`7costheta=7*1/sectheta=7/sectheta`

Answer 2

Hence `sectheta=1/costheta=>costheta=1/sectheta`

So wehave that

`7*costheta=7*1/sectheta=7/(sectheta)`

Finally

`7*costheta=7/(sectheta)`